Four individuals have brought a challenge to the Affordable Care Act. They want tax subsidies struck down – which means millions of people could be forced to give up their insurance. Jana Kasperkevic guides you through the latest chapter

The best pictures of the fourth stage of the 2014-15 Volvo Ocean Race, taking in Sanya to Auckland. The race covers 39,379 nautical miles and will visit 11 ports in 11 countries over nine months. Abu Dhabi Ocean Racing took the lead in stage one with Team Brunel taking stage two, stage three was won by Dongfeng Race. Mapfre took the honours on stage four.